Hallo
{"ScriptPreparationCode":null,"TestCases":[{"Name":"Vanilla","Code":"document.querySelector(\u0022.test\u0022).classList.add(\u0022new-class\u0022);","IsDeferred":false},{"Name":"JQuery","Code":"$(document).find(\u0022.test\u0022).addClass(\u0022new-class\u0022);","IsDeferred":false}]}